File:Parallelogram.svg · Wikimedia Commons · See Wikimedia Commons
параллелограмм
Sign in to saveчетырёхугольник, у которого противоположные стороны попарно параллельны
A parallelogram is a four-sided shape where opposite sides are parallel to each other, which automatically makes those opposite sides equal in length and opposite angles equal in size. This shape is fundamental to Euclidean geometry because its defining properties depend directly on the parallel postulate, a cornerstone assumption of how geometry works in flat space.
AI-generated from the Wikipedia summary — may contain errors.
Key facts
- Polygon.name
- Parallelogram
- Polygon.image
- Parallelogram.svg
- Polygon.caption
- This parallelogram is a rhomboid as it has unequal sides and no right angles.
- Polygon.type
- Quadrilateral, Trapezium
- Polygon.edges
- 4
- Polygon.symmetry
- C2, [2]+,
- Polygon.area
- bh (base × height);ab sin θ (product of adjacent sides and sine of the vertex angle determined by them)
- Polygon.properties
- Convex polygon
via Wikipedia infobox
Wikidata facts
- Has part
- vertex
- Image
- Parallelogram simple.svg
Show 6 more facts
- Commons category
- Parallelograms
- has facet polytope
- edge
- has characteristic
- plane area
- on focus list of Wikimedia project
- Wikipedia:Vital articles/Level/4
- maintained by WikiProject
- WikiProject Mathematics
- different from
- antiparallelogram
Sources (3)
via Wikidata · CC0
Article · Русский
Параллелогра́мм (др.-греч. παραλληλόγραμμον ← παράλληλος «параллельный» + γραμμή «линия») — четырёхугольник, у которого противолежащие стороны попарно параллельны, то есть лежат на параллельных прямых. (См. другие определения ) Частными случаями параллелограмма являются прямоугольник, квадрат и ромб.
Abstract from DBpedia / Wikipedia · CC BY-SA
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